package com.imooc.feeds.config;

import java.util.Collections;

import org.springframework.cloud.client.loadbalancer.LoadBalanced;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;
import org.springframework.http.MediaType;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.client.RestTemplate;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;

/**
 * Rest 配置类
 */
@Configuration
public class RestTemplateConfiguration {

	@LoadBalanced
	@Bean
	public RestTemplate restTemplate() {
		RestTemplate restTemplate = new RestTemplate();
		MappingJackson2HttpMessageConverter converter = new MappingJackson2HttpMessageConverter();
		converter.setSupportedMediaTypes(Collections.singletonList(MediaType.TEXT_PLAIN));
		restTemplate.getMessageConverters().add(converter);
		return restTemplate;
	}


	@Bean
	public RedisTemplate<Object,Object> redisTemplate(RedisConnectionFactory redisConnectionFactory){
		RedisTemplate<Object,Object> redisTemplate = new RedisTemplate<>();
		redisTemplate.setConnectionFactory(redisConnectionFactory);

		//使用jackson2JsonRedisSerialize 替换默认序列化
		Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);

		ObjectMapper objectMapper = new ObjectMapper();
		objectMapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
		jackson2JsonRedisSerializer.setObjectMapper(objectMapper);

		//设置key和value的序列号规则
		redisTemplate.setValueSerializer(jackson2JsonRedisSerializer);
		redisTemplate.setKeySerializer(new StringRedisSerializer());

		redisTemplate.setHashKeySerializer(new StringRedisSerializer());
		redisTemplate.setHashValueSerializer(jackson2JsonRedisSerializer);

		redisTemplate.afterPropertiesSet();
		return redisTemplate;
	}
}
